package com.linkai.io;

import java.awt.*;
import java.util.Scanner;

/**
 * @Description:
 * @Author: 林凯
 * @Date: 2021/10/17 19:15
 */
public class T11 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        long a, b;
        while (sc.hasNext()) {
            a = sc.nextLong();
            b = sc.nextLong();
            System.out.println(a+b);
        }

    }
}
